The phrase "underwent trials" is grammatically correct and can be used in written English.
It means that something or someone has gone through a period of testing or evaluation. Example: The new medication underwent rigorous clinical trials before it was approved by the FDA.
The ship was commissioned on 8 August 1915, and then underwent trials.
These first three boats launched underwent trials in home waters, but most of the other members of the class were shipped via rail and underwent trials at their assembly point.
The K1 prototype emerged from Ashford works as No. A890, and underwent trials from 1 December 1925 before entering regular service.
Evra originally played football in the striker position and, while training at Les Ulis, underwent trials with professional clubs Rennes and Lens.
The submarine was commissioned into the German Imperial Navy as SM UB-2 on 20 February under the command of Kapitänleutnant Werner Fürbringer, a 26-year-old native of Braunschweig, and underwent trials in German home waters.
The submarine was commissioned into the German Imperial Navy as SM UB-3 on 14 March under the command of Oberleutnant zur See Siegfried Schmidt, a 27-year-old, first-time U-boat skipper, and underwent trials in German home waters.
Groups 1 and 2 underwent pretest trials, acquisition practice, posttest trials, and a 24-hour retention test; the control group followed the same design with the exception of acquisition practice.
Each mouse underwent ten trials a day, 20 min between trials, for 6 days.
Before the test runs, subjects underwent 300 trials of pre-training outside of the scanner to become acquainted with the task.
Each participant underwent 3 trials, with 3 attempts in each trial to elicit hamstring stretch reflex.
When asked if they would feel more comfortable participating in a clinical trial knowing that all cancer treatments underwent clinical trials, one woman said, "It is [important] because we as a race are automatically standoffish and so afraid from past things.
